Guralp-systems CMG-3TD Uživatelský manuál Strana 1

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CMG-3TD
Digital sensor
Installation
Check that you have all components and cables:
CMG-3TD digital weak motion seismometer;
GPS receiver;
Brown GPS sensor cable;
Blue/grey combined sensor PC and power cables;
Sensor calibration data booklet.
You will need a Windows or Linux PC with an RS232
serial (COM) port and a 12–24 V DC power supply.
Choose suitable sites to install the sensor and the GPS
receiver. The sensor should be mounted:
at or, ideally, below ground level;
in contact with bedrock or, if that is not possible, on
a hard granite or concrete pier;
in an environment with constant temperature;
shielded from air currents (e.g. in a polystyrene box);
away from electrical cables and appliances.
The GPS should be placed:
within 15 metres of the sensor;
with a wide view of the sky and a low horizon.
Connect the various components together:
Connect the brown cable from the GPS receiver to
the GPS connector on the sensor;
Connect the 9-pin ‘D’ connector on the blue cable to
your PC’s serial (COM) connector;
Connect the free, stripped end of the grey cable to
the power supply. Connect the black wire to the
negative (–) terminal and the red wire to the positive
(+) terminal;
The blue and grey cables are joined together at a 10-
pin mil-spec socket. Attach this to the DATA
connector on the sensor. Do this step last.
1
2
RS232
GPS
Power
supply
+
PC
CMG-3TD
3
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Shrnutí obsahu

Strany 1 - Digital sensor

CMG-3TDDigital sensor InstallationCheck that you have all components and cables:•CMG-3TD digital weak motion seismometer;•GPS receiver;•Brown GPS sens

Strany 2 - Installation

Installation457Start the PC and run Güralp Systems’ Scream! software.If you have not run Scream! before, the Setup window will open. Otherwise, choose

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